Moderator may refer to:

Government

Moderator (town official) A moderator is an official of an incorporated town who presides over the town meeting, and in some cases, other municipal meetings. In the United States, the New England town is best known for the town meeting form of government. The office of mod ...

, elected official who presides over the Town Meeting form of government in various American states.

Internet

* Internet forum moderator, a person given special authority to enforce the rules on a forum or social media platforms *

Game moderator A gamemaster (GM; also known as game master, game manager, game moderator, referee, storyteller, or master of ceremonies) is a person who acts as a facilitator, organizer, officiant regarding rules, arbitrator, and moderator for a multiplayer r ...

* Moderator of a

Usenet newsgroup A Usenet newsgroup is a repository usually within the Usenet system for messages posted from users in different locations using the Internet. They are not only discussion groups or conversations, but also a repository to publish articles, start ...

Google Moderator Google Moderator was a Google service that used crowdsourcing to rank user-submitted questions, suggestions and ideas. It was launched on September 25, 2008 and shut down on June 30, 2015. The service allowed the management of feedback from a larg ...

, an application to assist chairmen of online meetings

Religion

Moderator of the General Assembly The moderator of the General Assembly is the Chair (official), chairperson of a General Assembly (presbyterian church), General Assembly, the highest court of a Presbyterian or Calvinism, Reformed church. Kirk sessions and presbytery (church pol ...

, the chairperson of the highest court in Presbyterian and Reformed churches *

Moderators and clerks in the Church of Scotland The Church of Scotland maintains a presbyterian polity and is thus governed by a hierarchy of bodies known as church courts. Each of these courts has a moderator and a clerk. Moderators The moderator presides over the meeting of the court, much as ...

, the chairperson of any of the courts of the Church of Scotland *

Moderator of the curia Moderator of the curia is a top administrative position held by a Catholic priest in a diocese under the supervision of the bishop. The moderator coordinates the exercise of the administrative duties and oversees the office holders, or curia, in ...

, an administrative position in the Catholic church

Nuclear engineering

Neutron moderator In nuclear engineering, a neutron moderator is a medium that reduces the speed of fast neutrons, ideally without capturing any, leaving them as thermal neutrons with only minimal (thermal) kinetic energy. These thermal neutrons are immensely ...

, a medium that reduces the velocity of fast neutrons, for example in a nuclear reactor

Other uses

Moderator variable In statistics and regression analysis, moderation (also known as effect modification) occurs when the relationship between two variables depends on a third variable. The third variable is referred to as the moderator variable (or effect modifier) ...

, in statistics, a qualitative or quantitative variable that affects the direction and/or strength of the relation between dependent and independent variables *Sound moderator, a

suppressor A silencer, also known as a sound suppressor, suppressor, or sound moderator, is a gun barrel#Muzzle, muzzle device that suppresses the muzzle blast, blast created when a gun (firearm or airgun) is discharged, thereby reducing the sound inten ...

attached to a firearm *A faction in the

Regulator–Moderator War The 1839–1844 Regulator–Moderator War, or the Shelby County War, was a nineteenth-century feud in East Texas during the Republic of Texas years between rival factions. The war started out as a dispute of land ownership before becoming a viol ...

Discussion moderator A discussion moderator or debate moderator is a person whose role is to act as a neutral participant in a debate or discussion, holds participants to time limits and tries to keep them from straying off the topic of the questions being raised in ...

, a person who controls the tone of a discussion or debate {{disambig